Getting too little sleep — or even too much — appears to spell trouble for the heart. New data reveal that adults who get less than six hours of sleep a night are at significantly greater risk of stroke, heart attack and congestive heart failure.

Burnout isn’t as simple as extreme exhaustion. When you’re truly burnt out, there’s very little you’ll do that isn’t necessary for survival. You won’t find a regular vacation very refreshing. You not only lose interest in the work that burnt you out in the first place, but in nearly everything else that you do. Fun won’t be fun, every little thing will bother you, and you’ll be unhappy without fully understanding why. You’ll feel this way on a regular basis, and you’ll likely believe there isn’t an alternative. Of course, many people describe the symptoms of burnout a little bit differently so I’ve compiled a list from a few sources (including my own experience) to provide a broad view of what burnout can look and feel like: